Rapid magnetic resonance elastography of muscle using one-dimensional projection

Journal of Magnetic Resonance Imaging : JMRI
Sabine F BensamounKai-Nan An

Abstract

To demonstrate the feasibility of 1D MR elastography (MRE) to rapidly assess skeletal muscle stiffness in vivo. Shear waves were induced in the vastus medialis muscle (VM) using a pneumatic driver at 90 Hz and 2D MRE data were collected. Spatially selective excitations were used to produce 1D projections of MRE data oriented along the direction of propagating waves in the muscle. Data were collected with the thigh muscles relaxed and contracted at 20% maximum voluntary contraction (MVC) and the knee flexed at 30 degrees . The muscle stiffness measured at rest and in contraction with 1D MRE was 3.69 +/- 0.80 kPa and 9.52 +/- 2.74 kPa, respectively, and 4.36 +/- 0.98 kPa and 9.22 +/- 1.29 kPa, respectively, with the 2D MRE technique. Muscle stiffness measured using 1D MRE was in agreement with 2D MRE while reducing the scan time by a factor of 4.

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Citations

Mar 3, 2010·Neurosurgical Review·Antonio Di IevaRiccardo Rodriguez Y Baena
Apr 22, 2011·Journal of Magnetic Resonance Imaging : JMRI·Arunark KolipakaPhilip A Araoz
Feb 16, 2018·Clinical Anatomy : Official Journal of the American Association of Clinical Anatomists & the British Association of Clinical Anatomists·Maud CrezeMarie-France Bellin
Mar 1, 2012·Physiological Measurement·Lilian LacourpailleAntoine Nordez
Apr 24, 2015·Exercise and Sport Sciences Reviews·François HugAntoine Nordez
Nov 28, 2019·Magnetic Resonance in Medicine : Official Journal of the Society of Magnetic Resonance in Medicine·Felix SchrankIngolf Sack
May 6, 2017·BioMed Research International·Cong-Zhi WangYong-Ping Zheng
Dec 17, 2009·Scandinavian Journal of Gastroenterology·H AllgayerC F Dietrich
May 29, 2018·NMR in Biomedicine·Christian Guenthner, Sebastian Kozerke

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